US Bridges

Allen RD over Coal Creek

PoorPosted for load

Fountain County, Indiana · 00.50 W of Stringtown RD · Structure no. 2300003

Built
1910
115 years old, rebuilt 1963
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
257 ft
2 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Allen RD over Coal Creek is a steel truss - thru carrying Allen RD over Coal Creek in Fountain County, Indiana. It was built in 1910 and reconstructed in 1963, so it is 115 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 6% of them trucks, projected to reach 150 by 2044. The structure is 257 ft (78.3 m) long and 17 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesAllen RD
CrossesCoal Creek
Location00.50 W of Stringtown RD
RouteCounty Highway 96
StateIndiana
Coordinates40.01085, -87.38476
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating16.9 US tons
Inventory rating10 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length257 ft (78.3 m)
Longest span126 ft (38.5 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck14 ft (4.4 m)

Traffic and service

Average daily traffic100 (2024)
Projected traffic150 by 2044
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Allen RD over Coal Creek built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1963.

What condition is Allen RD over Coal Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Allen RD over Coal Creek carry?

About 100 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Allen RD over Coal Creek?

The structure is 257 ft (78.3 m) long with a longest span of 126 ft (38.5 m) and a deck 17 ft wide.

Who owns Allen RD over Coal Creek?

It is owned by the County Highway Agency.